Grashhenko Artem
From Moscow, Russia
Internal rating (RR)
Rating date May 31, 2025 (latest changes May 30, 2025).
177 place (161.12).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (565.22 * 2.10 * 0.71 + 254.90 * 3.05 * 1 + 0 + 0 + 0) / (2.10 * 0.71 + 3.05 * 1 + 1 + 1 + 1) = 215.26934330062267
p2 = (565.22 * 2.10 * 0.71 + 254.90 * 3.05 * 1) / max_coefficients = 106.97863310309057
score = 215.26934330062267 * 0.5 + 106.97863310309057 * 0.5 = 161.1239882018566
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-30 | 175 -> 177 | 173.39 -> 161.12 |
Seihoku spring tournament 2024: 86% -> 71% |
| 2025-05-12 | 175 | 170.94 -> 173.39 | |
| 2025-05-03 | 173 -> 175 | 170.94 | |
| 2025-04-27 | 172 -> 173 | 170.94 | |
| 2025-04-26 | 171 -> 172 | 170.94 | |
| 2025-03-30 | 170 -> 171 | 182.48 -> 170.94 |
Seihoku spring tournament 2024: 100% -> 86% |
| 2025-03-03 | 171 -> 170 | 182.48 | |
| 2025-03-02 | 167 -> 171 | 182.48 | |
| 2025-02-16 | 156 -> 167 | 182.48 | |
| 2025-02-02 | 150 -> 156 | 182.48 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 255 |
|
39/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow |
| 2 | 565 |
|
21/47 | 71% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |